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Title

Afterpulsing studies of low-noise InGaAs/InP single-photon negative-feedback avalanche diodes

Authors
Kuzmenko, Kateryna
Published in Journal of Modern Optics. 2015, vol. 62, no. 14, p. 1151-1157
Abstract We characterise the temporal evolution of the afterpulse probability in a free-running negative-feedback avalanche diode (NFAD) over an extended range, from ns to ms. This is possible thanks to an extremely low dark count rate on the order of 1 cps at 10% efficiency, achieved by operating the NFAD at temperatures as low as 143 K. Experimental results in a large range of operating temperatures (223–143 K) are compared with a legacy afterpulsing model based on multiple trap families at discrete energy levels, which is found to be lacking in physical completeness. Subsequently, we expand on a recent proposal which considers a continuous spectrum of traps by introducing well-defined edges to the spectrum, which are experimentally observed.
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Research group Groupe Zbinden
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KORZH, Boris et al. Afterpulsing studies of low-noise InGaAs/InP single-photon negative-feedback avalanche diodes. In: Journal of Modern Optics, 2015, vol. 62, n° 14, p. 1151-1157. https://archive-ouverte.unige.ch/unige:84122

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Deposited on : 2016-06-01

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